Knowledge base for software setup, errors, and daily tool work.

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Fix Microsoft Teams Path Not Found After Update

After a Microsoft Teams update, you might see an error like "path not found" when launching the a...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Chrome Profile 404 Not Found: Troubleshooting Checklist

You try to open Chrome and get a 404 error for your profile, or you see a message that the profil...

Set Windows Defender Threat Service to Automatic Startup

If Windows Defender is not running or you see errors like “Threat service has stopped,” the under...

How to Fix Token Expired Error in Command Prompt

You're in the middle of a command-line task—maybe using Azure CLI, GitHub CLI, or a REST API tool...